NOTE: for ROOTED(FOLLOW PRE-POST) SONY XPERIA smartphones with screen resolution 480 X 854...
To change image(when your XPERIA is charging and turned off) follow this steps:
1. Download zip-archive: http://www.mediafire.com/?o2sn462gjp82n22
(YELLOW will be shown like LIGHT BLUE, BLUE will be shown like RED);
2. Extract it;
3. Download it to SDcard of your XPERIA;
4. To succesfully continue this procedure you must have Explorer that allows you to rewrite system files, for example: ES File Explorer - it can be downloaded from Google Play;
5. In settings of this app, allow root acces;
6. With using of "multiselect" function copy 7 png files;
7. Come out from SDcard, open: system/semc/chargemon/data;
8. Replace existing files;
9. To see everything works: remember the percentage of battery, turn off your XPERIA, start to charge it - the visualisation must appropriate your current battery status.
10. Now you can see my work in action.
11. Thank you and do not forget to see my previous posts!..